Seiko Cal. 6340 - 442

The Seiko 6340-442 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3d7e9553e68d]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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