Seiko Cal. 6643 - 394

Seiko 6643-394

This Solar model from 1991 features a 36mm Titanium case. Powered by the 6643 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-a22bdaeecc0b]

Also known as: Samurai, Sportsmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
36mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1991

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