Seiko Cal. 3811 - 668

Seiko 3811-668

The Seiko 3811-668 represents an important milestone in Seiko's 1968 lineup. Powered by the 3811 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-251de24cb8d2]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1968

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