Seiko Cal. 7136 - 938

This Spring Drive model from 1972 features a 46mm PVD Black case. Powered by the 7136 caliber with 23j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-fd61d431f01a]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1972

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