Seiko Cal. 6340 - 231

The 6340-231 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-0e3505d772e1]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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