Seiko Cal. 4556 - 726

The Seiko 4556-726 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-cb5ae41c9d7b]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1967

Related Models

• Seiko 4426-750
• Seiko 6143-414
• Seiko 6662-941
• Seiko 6632-129
• Seiko 0736-363
• Seiko 0771-283
• Seiko 6662-127
• Seiko 6669-522
• Seiko 6156-468
• Seiko 3835-247
• Seiko 6324-627
• Seiko 5671-160