Seiko Cal. 6339 - 276

The 6339-276 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8fe6e532bcb9]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1974

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