Seiko Cal. 6637 - 696

The Seiko 6637-696 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-23dff0e30ff7]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1984

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