Seiko Cal. 5687 - 312

Seiko 5687-312

The 5687-312 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5687 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-302557d8cc30]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1999

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seikata-wm-302557d8cc30