Seiko Cal. 4531 - 318

The 4531-318 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-1002ab69bca0]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1996

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