Seiko Cal. 7140 - 418

The Seiko 7140-418 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-554796641e2d]

Also known as: Turtle, Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1986

Related Models

• Seiko 5687-903
• Seiko 6150-342
• Seiko 3828-517
• Seiko 0714-481
• Seiko 4439-735
• Seiko 6294-505
• Seiko 4465-777
• Seiko 4415-808
• Seiko 7014-460
• Seiko 3862-254
• Seiko 3823-592
• Seiko 4531-788