Seiko Cal. 3893 - 712

Seiko 3893-712

The Seiko 3893-712 represents an important milestone in Seiko's 1980 lineup. Powered by the 3893 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-10fffbbf1724]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1980

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