Seiko Cal. 5242 - 188

Seiko 5242-188

The 5242-188 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5242 caliber with 25j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-f69a9ea45f82]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1982

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