Seiko Cal. 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

Related Models

• Seiko 7058-256
• Seiko 4577-927
• Seiko 4578-460
• Seiko 3843-311
• Seiko 6629-318
• Seiko 6651-719
• Seiko 3850-990
• Seiko 3836-118
• Seiko 5668-495
• Seiko 6651-989
• Seiko 3869-935
• Seiko 6672-606