Seiko Cal. 6181 - 923

The 6181-923 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-0cf8a8f03a66]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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