Seiko Cal. 6318 - 577

This Automatic model from 1972 features a 42mm Stainless Steel case. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-ff718dc80e44]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

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