Seiko Cal. 5661 - 524

Seiko 5661-524

This Hand-Winding model from 1974 features a 38mm Two-Tone case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-77b6acf0b85e]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1974

Related Models

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