Seiko Cal. 4431 - 919

This Spring Drive model from 1970 features a 46mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-7bcfa27bf0d4]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

Related Models

• Seiko 6263-145
• Seiko 6248-872
• Seiko 6659-560
• Seiko 4596-439
• Seiko 0789-956
• Seiko 5664-547
• Seiko 0775-568
• Seiko 3895-291
• Seiko 6190-650
• Seiko 6673-249
• Seiko 5223-354
• Seiko 0798-569