Seiko Cal. 6640 - 750

Seiko 6640-750

This Solar model from 1983 features a 42mm Two-Tone case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1595b43198bf]

Also known as: Rally, Crown

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
42mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
21j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1983

Related Models

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