Seiko Cal. 5637 - 701

This Quartz model from 1968 features a 43mm Titanium case. Powered by the 5637 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-5c3e10bfce85]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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