Seiko Cal. 4540 - 689

Seiko 4540-689

This Hand-Winding model from 1988 features a 43mm Hardlex-Coated Steel case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-8b5ed0c35bb7]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Cream
Jewels
24j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1988

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