Seiko Cal. 5237 - 331

The Seiko 5237-331 represents an important milestone in Seiko's 1989 lineup. Powered by the 5237 caliber with 23j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-765fcee927a7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1989

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