Seiko Cal. 6690 - 791

Seiko 6690-791

This Hand-Winding model from 1985 features a 45mm Hardlex-Coated Steel case. Powered by the 6690 caliber with 20j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-dbb34a16ab97]

Also known as: Samurai, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1985

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