Seiko Cal. 3898 - 916

Released in 1970, the Cal. 3898 with design code 916 was part of Seiko's domestic market collection. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dc0bd389d765]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

Related Models

• Seiko 6120-388
• Seiko 0770-930
• Seiko 3868-763
• Seiko 4494-725
• Seiko 6222-631
• Seiko 5277-456
• Seiko 6676-780
• Seiko 6621-544
• Seiko 6191-793
• Seiko 5254-327
• Seiko 6151-140
• Seiko 4494-717