Seiko Cal. 0720 - 915

Seiko 0720-915

This Hand-Winding model from 1981 features a 34mm Stainless Steel case. Powered by the 0720 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-53d1a12a0a4b]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1981

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