Seiko Cal. 5663 - 107

Seiko 5663-107

The Seiko 5663-107 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ef6dba0348b1]

Also known as: Helmet, Silverwave

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1975

Related Models

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