Seiko Cal. 0712 - 852

This Hand-Winding model from 1965 features a 42mm PVD Black case. Powered by the 0712 caliber with 30j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-591a92d117bc]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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