Seiko Cal. 6643 - 298

This Solar model from 1983 features a 39mm Titanium case. Powered by the 6643 caliber with 28j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-2cc3c4436179]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1983

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