Seiko Cal. 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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