Seiko Cal. 0797 - 530

This Spring Drive model from 1974 features a 46mm Hardlex-Coated Steel case. Powered by the 0797 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-5a6aa08f0df2]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1974

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