Seiko Cal. 6340 - 187

The Seiko 6340-187 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e6ec5af2de27]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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