Seiko Cal. 3841 - 740

This Spring Drive model from 1989 features a 35mm Stainless Steel case. Powered by the 3841 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-f908e7d6e728]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1989

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