Seiko Cal. 0747 - 712

The 0747-712 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0747 caliber with 18j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-294ff129aae1]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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