Seiko Cal. 6310 - 557

This Quartz model from 1978 features a 46mm Two-Tone case. Powered by the 6310 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-982402677378]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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