Seiko Cal. 5634 - 887

Seiko 5634-887

The 5634-887 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-3e1e313f3395]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1974

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