Seiko Cal. 6387 - 313

Released in 1970, the Cal. 6387 with design code 313 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-e46ba53cadab]

Also known as: Rally, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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