Seiko Cal. 3890 - 968

Seiko 3890-968

This Automatic model from 1970 features a 43mm Two-Tone case. Powered by the 3890 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-44b147ffd519]

Also known as: Helmet, Navigator

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1970

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