Seiko Cal. 6687 - 578

Seiko 6687-578

This Automatic model from 1983 features a 36mm Two-Tone case. Powered by the 6687 caliber with 34j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-1b1033eed0d0]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Burgundy
Jewels
34j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1983

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