Seiko Cal. 5273 - 740

Seiko 5273-740

This Spring Drive model from 1992 features a 41mm Stainless Steel case. Powered by the 5273 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0873ecce0669]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1992

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seikata-wm-0873ecce0669