Seiko Cal. 6327 - 554

The 6327-554 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f08107015226]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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