Seiko Cal. 5237 - 323

This Spring Drive model from 1983 features a 37mm PVD Black case. Powered by the 5237 caliber with 36j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-77ec80991a6a]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

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