Seiko Cal. 7187 - 624

Seiko 7187-624

The 7187-624 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7187 caliber with 34j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-3d5b8332c32c]

Also known as: Tuna, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1972

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