Seiko Cal. 5237 - 275

The Seiko 5237-275 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-7d0166d2f0f3]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1967

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