Seiko Cal. 5646 - 137

This Solar model from 1968 features a 37mm Hardlex-Coated Steel case. Powered by the 5646 caliber with 29j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-822acab5f160]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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