Seiko Cal. 6641 - 369

This Solar model from 1968 features a 37mm Two-Tone case. Powered by the 6641 caliber with 36j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-6b1341cd50ee]

Also known as: Bellmatic, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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