Seiko Cal. 5639 - 318

The Seiko 5639-318 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-ded11a1e0833]

Also known as: Goldfeather, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1991

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