Seiko Cal. 5665 - 312

This Quartz model from 1978 features a 43mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-e563b281813a]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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