Seiko Cal. 5633 - 957

Seiko 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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