Seiko Cal. 6636 - 665

Seiko 6636-665

The 6636-665 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-27ce59a0b4c2]

Also known as: Crown, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1985

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