Seiko Cal. 4556 - 916

This Spring Drive model from 1986 features a 44mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-10d1a0eadb1d]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1986

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