Seiko Cal. 5271 - 371

Seiko 5271-371

This Spring Drive model from 1995 features a 37mm Stainless Steel case. Powered by the 5271 caliber with 33j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-30859087a9c1]

Also known as: Sumo, UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1995

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