Seiko Cal. 4499 - 631

The Seiko 4499-631 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-67aad3c2f47a]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

Related Models

• Seiko 6321-717
• Seiko 0722-149
• Seiko 6239-383
• Seiko 7135-296
• Seiko 0766-271
• Seiko 7192-134
• Seiko 6365-389
• Seiko 6616-136
• Seiko 3858-125
• Seiko 3897-365
• Seiko 0732-708
• Seiko 6313-663