Seiko Cal. 5633 - 957

The Seiko 5633-957 represents an important milestone in Seiko's 1994 lineup. Powered by the 5633 caliber with 23j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f3d17c1db1c2]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1994

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