Seiko Cal. 3813 - 129

This Hand-Winding model from 1975 features a 35mm PVD Black case. Powered by the 3813 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3975b12f1878]

Also known as: Silverwave, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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