Seiko Cal. 6339 - 491

The 6339-491 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-137c5829603b]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1980

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