Seiko Cal. 0778 - 923

This Quartz model from 1974 features a 39mm PVD Black case. Powered by the 0778 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-d6111543e70c]

Also known as: UFO, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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