Seiko Cal. 6387 - 371

The Seiko 6387-371 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-fbf74169427a]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

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