Seiko Cal. 7122 - 503

Seiko 7122-503

The Seiko 7122-503 represents an important milestone in Seiko's 1993 lineup. Powered by the 7122 caliber with 17j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-c7c662919e65]

Also known as: Helmet, Navigator

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Cream
Jewels
17j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1993

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