Seiko Cal. 7135 - 178

This Hand-Winding model from 1970 features a 39mm PVD Black case. Powered by the 7135 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-9027f6349b79]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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