Seiko Cal. 6310 - 557

This Automatic model from 1979 features a 42mm PVD Black case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-c36151cc1973]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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