Seiko Cal. 5239 - 831

The Seiko 5239-831 represents an important milestone in Seiko's 1969 lineup. Powered by the 5239 caliber with 18j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e11507d3ca39]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

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