Seiko Cal. 6387 - 538

The Seiko 6387-538 represents an important milestone in Seiko's 1982 lineup. Powered by the 6387 caliber with 27j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-0491b0d5b8b2]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1982

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