Seiko Cal. 6639 - 509

Seiko 6639-509

This Automatic model from 1991 features a 36mm Stainless Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1c7aec083d3b]

Also known as: Sumo, Flighty

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1991

Related Models

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