Seiko Cal. 3827 - 113

The 3827-113 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3827 caliber with 18j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-a398bc76f671]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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