Seiko Cal. 6643 - 237

Seiko 6643-237

This Solar model from 1988 features a 34mm Titanium case. Powered by the 6643 caliber with 34j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-6bb41bebcafd]

Also known as: Turtle, Crown

Specifications

Movement
Solar
Case Material
Titanium
Case Width
34mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
34j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1988

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