Seiko Cal. 6640 - 595

This Solar model from 1998 features a 34mm Two-Tone case. Powered by the 6640 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-a89e8a0259a8]

Also known as: Samurai, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1998

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