Seiko Cal. 5271 - 837

The 5271-837 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5271 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c716844f3318]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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