Seiko Cal. 3892 - 641

Released in 1974, the Cal. 3892 with design code 641 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-e53eee7bcd4f]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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