Seiko Cal. 5687 - 621

Seiko 5687-621

The 5687-621 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-a14a110930da]

Also known as: UFO, Silverwave

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1985

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