Seiko Cal. 7173 - 538

Seiko 7173-538

The Seiko 7173-538 represents an important milestone in Seiko's 1966 lineup. Powered by the 7173 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-d78166eea340]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1966

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