Seiko Cal. 6364 - 477

This Solar model from 1972 features a 43mm Titanium case. Powered by the 6364 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-75ba74f7ab4f]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1972

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