Seiko Cal. 7166 - 258

This Hand-Winding model from 1967 features a 36mm Hardlex-Coated Steel case. Powered by the 7166 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-ebf94cb28ec4]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1967

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