Seiko Cal. 4431 - 419

This Automatic model from 1966 features a 41mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e1532ac11b24]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

Related Models

• Seiko 6261-860
• Seiko 6697-341
• Seiko 0782-936
• Seiko 7049-364
• Seiko 5299-733
• Seiko 7177-381
• Seiko 6211-808
• Seiko 4467-532
• Seiko 6181-781
• Seiko 6312-917
• Seiko 4559-360
• Seiko 5218-124