Seiko Cal. 5639 - 168

Released in 1994, the Cal. 5639 with design code 168 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-053ec8793cd7]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1994

Related Models

• Seiko 7147-384
• Seiko 6135-934
• Seiko 6169-978
• Seiko 3875-167
• Seiko 6332-571
• Seiko 5691-870
• Seiko 6640-569
• Seiko 4435-490
• Seiko 6169-185
• Seiko 3834-837
• Seiko 5270-238
• Seiko 7086-422