Seiko Cal. 7191 - 528

Seiko 7191-528

The 7191-528 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7191 caliber with 20j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-9bccd802a0cd]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1969

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