Seiko Cal. 6678 - 710

This Quartz model from 1977 features a 36mm Two-Tone case. Powered by the 6678 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d125ea309c20]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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