Seiko Cal. 3828 - 428

The 3828-428 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3828 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-e8aaa5e6f106]

Also known as: Samurai, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

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