Seiko Cal. 6642 - 321

This Solar model from 1975 features a 34mm Gold-Plated case. Powered by the 6642 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-35564c77a27b]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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