Seiko Cal. 6139 - 964

The Seiko 6139-964 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-50dad124197f]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

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