Seiko Cal. 7140 - 846

This Quartz model from 1974 features a 34mm Hardlex-Coated Steel case. Powered by the 7140 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-0be68d07d54d]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

Related Models

• Seiko 4533-597
• Seiko 6128-247
• Seiko 5611-697
• Seiko 5688-637
• Seiko 5624-849
• Seiko 6285-928
• Seiko 7055-664
• Seiko 4427-814
• Seiko 6345-116
• Seiko 7075-716
• Seiko 6661-179
• Seiko 6169-182