Seiko Cal. 3848 - 878

Seiko 3848-878

The 3848-878 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-cb6d6ec9eace]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1965

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