Seiko Cal. 3828 - 312

Seiko 3828-312

The 3828-312 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3828 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-81c73f40ad16]

Also known as: Sumo, Bullhead

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Burgundy
Jewels
31j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1991

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