Seiko Cal. 7031 - 374

Released in 1967, the Cal. 7031 with design code 374 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-4b09afd497dc]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

Related Models

• Seiko 0766-996
• Seiko 7056-127
• Seiko 6255-352
• Seiko 7118-375
• Seiko 6655-327
• Seiko 6366-167
• Seiko 6696-502
• Seiko 3861-774
• Seiko 6141-639
• Seiko 4563-886
• Seiko 7110-947
• Seiko 6221-248