Seiko Cal. 7031 - 445

The 7031-445 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2fe6bbd97859]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

Related Models

• Seiko 6389-354
• Seiko 6646-196
• Seiko 3874-855
• Seiko 0728-271
• Seiko 6161-404
• Seiko 5631-421
• Seiko 6371-148
• Seiko 6143-532
• Seiko 7184-802
• Seiko 4458-337
• Seiko 6148-431
• Seiko 6621-555