Seiko Cal. 3812 - 440

Seiko 3812-440

The 3812-440 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3812 caliber with 33j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-6e4b458d415a]

Also known as: Rally, Bellmatic

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
33j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1965

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