Seiko Cal. 7143 - 835

This Hand-Winding model from 1974 features a 42mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cabc2d21cef6]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

Related Models

• Seiko 0727-273
• Seiko 5276-985
• Seiko 7020-570
• Seiko 5672-868
• Seiko 7180-325
• Seiko 4463-793
• Seiko 4429-248
• Seiko 4439-413
• Seiko 6122-569
• Seiko 5631-980
• Seiko 6347-593
• Seiko 3870-148