Seiko Cal. 5239 - 901

This Spring Drive model from 1986 features a 44mm Two-Tone case. Powered by the 5239 caliber with 18j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-0845ec9a7604]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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