Seiko Cal. 3840 - 929

The 3840-929 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-701f48abdc23]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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