Seiko Cal. 3811 - 378

Seiko 3811-378

The 3811-378 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-801007a431dd]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
120m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1972

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