Seiko Cal. 6340 - 768

The 6340-768 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-df42ebc16fa3]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

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