Seiko Cal. 3855 - 612

Seiko 3855-612

The 3855-612 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-28ed0b728144]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1971

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