Seiko Cal. 4540 - 627

Seiko 4540-627

The 4540-627 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-7b5e6b0aab71]

Also known as: Bullhead, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1998

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