Seiko Cal. 4478 - 653

Seiko 4478-653

Released in 1974, the Cal. 4478 with design code 653 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b56ed0b97753]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1974

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