Seiko Cal. 6641 - 724

The 6641-724 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-236a2c7e2544]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1982

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