Seiko Cal. 7021 - 158

Seiko 7021-158

The 7021-158 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cc3c43e1fceb]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1972

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