Seiko Cal. 7112 - 850

The 7112-850 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7112 caliber with 29j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a8361442ce27]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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