Seiko Cal. 6612 - 681

This Automatic model from 1978 features a 37mm PVD Black case. Powered by the 6612 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-52fc5b85d7cd]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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