Seiko Cal. 4540 - 645

Seiko 4540-645

This Spring Drive model from 1993 features a 39mm Two-Tone case. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-0a706a104b8d]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1993

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