Seiko Cal. 6198 - 678

Seiko 6198-678

The 6198-678 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6198 caliber with 20j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-78d48d3c3ce1]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1994

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