Seiko Cal. 7140 - 373

Seiko 7140-373

This Automatic model from 1971 features a 45mm Hardlex-Coated Steel case. Powered by the 7140 caliber with 31j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-091c4922b8b7]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1971

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