Seiko Cal. 6387 - 677

The 6387-677 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-809ce2caa128]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1966

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