Seiko Cal. 3897 - 507

This Solar model from 1966 features a 36mm Hardlex-Coated Steel case. Powered by the 3897 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-7f5c8d6b85c9]

Also known as: Rally, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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