Seiko Cal. 6687 - 549

Seiko 6687-549

The Seiko 6687-549 represents an important milestone in Seiko's 1976 lineup. Powered by the 6687 caliber with 18j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e5e6bc368571]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Burgundy
Jewels
18j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1976

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