Seiko Cal. 6639 - 494

The 6639-494 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-ed12cd1043b0]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1989

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