Seiko Cal. 6637 - 792

The Seiko 6637-792 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-5126d4c7838f]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1967

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