Seiko Cal. 6640 - 380

Seiko 6640-380

This Solar model from 1982 features a 34mm Two-Tone case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2408d42ec0e2]

Also known as: Shogun, Sportsmatic

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
34mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1982

Related Models

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