Seiko Cal. 3891 - 674

Released in 1979, the Cal. 3891 with design code 674 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-1739edac57dc]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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