Seiko Cal. 0740 - 297

Seiko 0740-297

The Seiko 0740-297 represents an important milestone in Seiko's 1997 lineup. Powered by the 0740 caliber with 20j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-9e27515a47d1]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1997

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