Seiko Cal. 5237 - 339

This Spring Drive model from 1972 features a 36mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-48b5b9ff8fa5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1972

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