Seiko Cal. 6637 - 965

The Seiko 6637-965 represents an important milestone in Seiko's 1994 lineup. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-89c098341043]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1994

Related Models

• Seiko 6293-728
• Seiko 7142-120
• Seiko 4570-654
• Seiko 3880-961
• Seiko 4415-347
• Seiko 6147-432
• Seiko 6166-738
• Seiko 0778-466
• Seiko 6288-956
• Seiko 4448-954
• Seiko 3898-115
• Seiko 6647-693