Seiko Cal. 6327 - 713

The 6327-713 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-7790b4dfed49]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1994

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