Seiko Cal. 6231 - 379

This Hand-Winding model from 1969 features a 36mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3b35cd0bd3a0]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1969

Related Models

• Seiko 5284-611
• Seiko 6240-180
• Seiko 6386-298
• Seiko 5637-317
• Seiko 5623-318
• Seiko 4430-180
• Seiko 6649-437
• Seiko 4478-905
• Seiko 6159-824
• Seiko 5692-507
• Seiko 7122-546
• Seiko 7153-342