Seiko Cal. 0756 - 254

This Spring Drive model from 1970 features a 38mm Hardlex-Coated Steel case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-158cc863844f]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1970

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