Seiko Cal. 4558 - 640

Seiko 4558-640

The 4558-640 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bd48c46f0a4b]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
35j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1998

Related Models

seikata-wm-bd48c46f0a4b