Seiko Cal. 6339 - 478

The 6339-478 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-c9b2d5bfeffc]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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