Seiko Cal. 5645 - 121

Seiko 5645-121

This Hand-Winding model from 1987 features a 42mm PVD Black case. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-e0239c8e647d]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1987

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