Seiko Cal. 3828 - 325

The Seiko 3828-325 represents an important milestone in Seiko's 1971 lineup. Powered by the 3828 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-6dde5cfdd13e]

Also known as: Monster, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

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