Seiko Cal. 3810 - 942

The 3810-942 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3810 caliber with 18j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-27d573a9ef8e]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1990

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