Seiko Cal. 5687 - 877

Seiko 5687-877

This Spring Drive model from 1996 features a 39mm Hardlex-Coated Steel case. Powered by the 5687 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9a0bad9880e7]

Also known as: UFO, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Cream
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1996

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seikata-wm-9a0bad9880e7