Seiko Cal. 3851 - 408

The 3851-408 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3851 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-cfdb8b87c845]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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