Seiko Cal. 6239 - 470

The Seiko 6239-470 represents an important milestone in Seiko's 1977 lineup. Powered by the 6239 caliber with 35j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-073f4c90acaf]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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