Seiko Cal. 6340 - 840

This Spring Drive model from 1977 features a 42mm Gold-Plated case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-5effc7099d6b]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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