Seiko Cal. 0771 - 594

This Hand-Winding model from 1984 features a 39mm Hardlex-Coated Steel case. Powered by the 0771 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-402541e4e274]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1984

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