Seiko Cal. 5615 - 855

This Quartz model from 1977 features a 45mm PVD Black case. Powered by the 5615 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-b06d32ff018d]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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