Seiko Cal. 6398 - 840

The 6398-840 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6398 caliber with 33j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-cfa8a00b3edf]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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