Seiko Cal. 7031 - 427

The 7031-427 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-2ae72b9a6117]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

Related Models

• Seiko 6284-183
• Seiko 4525-663
• Seiko 5677-522
• Seiko 5669-172
• Seiko 5632-163
• Seiko 7114-455
• Seiko 6269-234
• Seiko 6269-318
• Seiko 0723-882
• Seiko 3814-622
• Seiko 4428-632
• Seiko 3836-322