Seiko Cal. 4547 - 495

This Spring Drive model from 1973 features a 44mm PVD Black case. Powered by the 4547 caliber with 25j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-16f7fd6ff6e0]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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