Seiko Cal. 5623 - 995

This Quartz model from 1968 features a 39mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-eaffd7ce12e6]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

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