Seiko Cal. 6137 - 639

The Seiko 6137-639 represents an important milestone in Seiko's 1982 lineup. Powered by the 6137 caliber with 31j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-807efe1693a5]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1982

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