Seiko Cal. 6642 - 450

The 6642-450 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6642 caliber with 25j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-f526e351dd67]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1983

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