Seiko Cal. 6639 - 170

Seiko 6639-170

This Hand-Winding model from 1987 features a 36mm Stainless Steel case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-13f7f3440d00]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
50m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1987

Related Models

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