Seiko Cal. 4592 - 556

This Hand-Winding model from 1990 features a 40mm Hardlex-Coated Steel case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-850e052db277]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1990

Related Models

• Seiko 6613-317
• Seiko 6384-625
• Seiko 6375-173
• Seiko 4540-266
• Seiko 0775-299
• Seiko 0795-223
• Seiko 4599-513
• Seiko 4440-158
• Seiko 3873-117
• Seiko 6296-768
• Seiko 5290-622
• Seiko 6286-105