Seiko Cal. 4431 - 224

This Automatic model from 1979 features a 44mm Stainless Steel case. Powered by the 4431 caliber with 34j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-ffe64d97cab9]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1979

Related Models

• Seiko 6388-134
• Seiko 4532-677
• Seiko 4579-736
• Seiko 6629-296
• Seiko 7079-840
• Seiko 7169-198
• Seiko 7190-866
• Seiko 3860-979
• Seiko 6238-812
• Seiko 5664-568
• Seiko 6282-832
• Seiko 7149-922