Seiko Cal. 3827 - 813

The Seiko 3827-813 represents an important milestone in Seiko's 1976 lineup. Powered by the 3827 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-4624982704f5]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1976

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