Seiko Cal. 6398 - 175

The Seiko 6398-175 represents an important milestone in Seiko's 1986 lineup. Powered by the 6398 caliber with 20j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-e8a348dcbe0b]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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