Seiko Cal. 4455 - 640

The 4455-640 is a sought-after Solar piece from Seiko's golden era. Powered by the 4455 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-68180870cc25]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1994

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