Seiko Cal. 7031 - 250

This Spring Drive model from 1969 features a 34mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-8427ed14c556]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

Related Models

• Seiko 0760-446
• Seiko 5690-656
• Seiko 6258-744
• Seiko 5611-856
• Seiko 4466-590
• Seiko 4532-376
• Seiko 5294-207
• Seiko 0751-927
• Seiko 7147-626
• Seiko 6139-870
• Seiko 3822-328
• Seiko 7032-331