Seiko Cal. 5638 - 490

The 5638-490 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-443c4ce23f91]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1996

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