Seiko Cal. 6637 - 250

Released in 1980, the Cal. 6637 with design code 250 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-96343eec2655]

Also known as: Emperor, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1980

Related Models

• Seiko 5614-204
• Seiko 4518-691
• Seiko 4463-148
• Seiko 6213-267
• Seiko 0778-729
• Seiko 6659-723
• Seiko 3881-706
• Seiko 4587-191
• Seiko 6224-269
• Seiko 0745-725
• Seiko 4552-408
• Seiko 3859-749