Seiko Cal. 4551 - 105

Seiko 4551-105

This Hand-Winding model from 1978 features a 45mm Stainless Steel case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-557beebad0d3]

Also known as: UFO, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Black
Jewels
27j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1978

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