Seiko Cal. 4478 - 937

Seiko 4478-937

The 4478-937 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b9b3d97cdbc7]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
39mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1976

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