Seiko Cal. 0713 - 985

This Spring Drive model from 1981 features a 39mm PVD Black case. Powered by the 0713 caliber with 17j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-2ad7b059b804]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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