Seiko Cal. 5633 - 756

This Spring Drive model from 1982 features a 37mm Titanium case. Powered by the 5633 caliber with 23j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-b56d3f84caff]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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