Seiko Cal. 3857 - 144

Seiko 3857-144

The 3857-144 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3857 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-da7783eb242b]

Also known as: UFO, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
41mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
60m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1989

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