Seiko Cal. 3861 - 457

Seiko 3861-457

The Seiko 3861-457 represents an important milestone in Seiko's 1965 lineup. Powered by the 3861 caliber with 21j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c221ad74c36b]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1965

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