Seiko Cal. 6636 - 750

This Automatic model from 1987 features a 37mm Stainless Steel case. Powered by the 6636 caliber with 36j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-667bb0a08f18]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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