Seiko Cal. 6642 - 510

The 6642-510 is a sought-after Solar piece from Seiko's golden era. Powered by the 6642 caliber with 28j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-b1d03971c75d]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1974

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