Seiko Cal. 6687 - 857

Seiko 6687-857

This Solar model from 1998 features a 41mm Gold-Plated case. Powered by the 6687 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-554efda9a835]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1998

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seikata-wm-554efda9a835