Seiko Cal. 0740 - 721

Seiko 0740-721

The 0740-721 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1bbba04d2ffd]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1978

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