Seiko Cal. 6156 - 715

This Hand-Winding model from 1970 features a 40mm PVD Black case. Powered by the 6156 caliber with 30j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b5380cc58ae2]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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