Seiko Cal. 0721 - 415

Seiko 0721-415

This Solar model from 1966 features a 44mm Hardlex-Coated Steel case. Powered by the 0721 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-624f1a921d36]

Also known as: Bullhead, Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1966

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