Seiko Cal. 7140 - 278

This Automatic model from 1971 features a 34mm Two-Tone case. Powered by the 7140 caliber with 22j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-c10048e4c527]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1971

Related Models

• Seiko 5647-345
• Seiko 0718-407
• Seiko 0726-419
• Seiko 5299-967
• Seiko 5239-911
• Seiko 6624-820
• Seiko 6234-301
• Seiko 0792-960
• Seiko 6118-735
• Seiko 7172-400
• Seiko 6299-616
• Seiko 6222-938