Seiko Cal. 4558 - 638

Seiko 4558-638

This Spring Drive model from 1999 features a 40mm Two-Tone case. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-08c80bfced02]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1999

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