Seiko Cal. 6388 - 442

The Seiko 6388-442 represents an important milestone in Seiko's 1986 lineup. Powered by the 6388 caliber with 35j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-fa60ed02101f]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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