Seiko Cal. 7140 - 778

This Automatic model from 1998 features a 40mm Two-Tone case. Powered by the 7140 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-4d20f0f2064f]

Also known as: Samurai, Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1998

Related Models

• Seiko 7145-613
• Seiko 5245-677
• Seiko 6270-492
• Seiko 6297-487
• Seiko 5672-960
• Seiko 7072-605
• Seiko 6151-253
• Seiko 4588-300
• Seiko 4495-740
• Seiko 7060-685
• Seiko 4554-946
• Seiko 7126-942