Seiko Cal. 7133 - 338

Seiko 7133-338

The 7133-338 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7133 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-3d6a7ab5ab5c]

Also known as: Sumo, Navigator

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1992

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