Seiko Cal. 0712 - 628

The 0712-628 is a sought-after Solar piece from Seiko's golden era. Powered by the 0712 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-727cae7ed2e7]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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