Seiko Cal. 6387 - 821

The Seiko 6387-821 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aef229581e96]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1980

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