Seiko Cal. 3816 - 108

The 3816-108 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3816 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e74391ba47b0]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

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