Seiko Cal. 3831 - 741

The 3831-741 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3831 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-84f88452cf9e]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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