Seiko Cal. 0720 - 156

Seiko 0720-156

The 0720-156 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f16ef477227c]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1979

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seikata-wm-f16ef477227c