Seiko Cal. 5270 - 655

This Spring Drive model from 1976 features a 36mm Hardlex-Coated Steel case. Powered by the 5270 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-8143bfd6aa8f]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1976

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