Seiko Cal. 5237 - 540

The Seiko 5237-540 represents an important milestone in Seiko's 1976 lineup. Powered by the 5237 caliber with 29j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-c2f71aa41642]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1976

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