Seiko Cal. 6238 - 639

The Seiko 6238-639 represents an important milestone in Seiko's 1988 lineup. Powered by the 6238 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-aee1d05fd997]

Also known as: Monster, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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