Seiko Cal. 0712 - 839

This Spring Drive model from 1973 features a 43mm Hardlex-Coated Steel case. Powered by the 0712 caliber with 24j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-6c8f3ac4cb6c]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

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