Seiko Cal. 6663 - 371

Seiko 6663-371

The Seiko 6663-371 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-fe20b1d62203]

Also known as: UFO, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1966

Related Models

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