Seiko Cal. 5633 - 751

This Solar model from 1973 features a 36mm Stainless Steel case. Powered by the 5633 caliber with 24j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-45d1ff3f3d91]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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