Seiko Cal. 3841 - 931

The Seiko 3841-931 represents an important milestone in Seiko's 1975 lineup. Powered by the 3841 caliber with 25j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-cbae95169914]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1975

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