Seiko Cal. 7187 - 577

Seiko 7187-577

The 7187-577 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7187 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-c37ef60deba0]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1974

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