Seiko Cal. 6670 - 723

This Quartz model from 1971 features a 45mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-39877c3ed6d4]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

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