Seiko Cal. 6387 - 700

The Seiko 6387-700 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-06ff2e2bf3ce]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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