Seiko Cal. 6678 - 498

Seiko 6678-498

The 6678-498 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6678 caliber with 32j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-a00d689bd975]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1991

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seikata-wm-a00d689bd975