Seiko Cal. 6338 - 631

The 6338-631 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6338 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-ebd963effa91]

Also known as: World Timer, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1981

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