Seiko Cal. 6387 - 707

The Seiko 6387-707 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f7a196f6292f]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1990

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