Seiko Cal. 3823 - 690

Seiko 3823-690

This Hand-Winding model from 1983 features a 46mm Titanium case. Powered by the 3823 caliber with 26j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-aa553afc4af2]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Burgundy
Jewels
26j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1983

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