Seiko Cal. 6671 - 387

Released in 1971, the Cal. 6671 with design code 387 was part of Seiko's domestic market collection. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6afca6649ed1]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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