Seiko Cal. 6387 - 274

Released in 1977, the Cal. 6387 with design code 274 was part of Seiko's domestic market collection. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0674cdf890aa]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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