Seiko Cal. 6390 - 588

The Seiko 6390-588 represents an important milestone in Seiko's 1994 lineup. Powered by the 6390 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-07dcb53184e8]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1994

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