Seiko Cal. 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

Related Models

• Seiko 6652-894
• Seiko 5236-410
• Seiko 3887-213
• Seiko 6341-805
• Seiko 6353-600
• Seiko 3833-548
• Seiko 6121-739
• Seiko 6187-903
• Seiko 5280-708
• Seiko 0742-420
• Seiko 4467-693
• Seiko 5640-639