Seiko Cal. 3839 - 940

The Seiko 3839-940 represents an important milestone in Seiko's 1975 lineup. Powered by the 3839 caliber with 33j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-8687c5c2e7b5]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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