Seiko Cal. 6187 - 550

Seiko 6187-550

This Automatic model from 1970 features a 46mm Two-Tone case. Powered by the 6187 caliber with 28j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0cd59660e9a4]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
28j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1970

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