Seiko Cal. 4498 - 156

Seiko 4498-156

The 4498-156 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4498 caliber with 21j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-b007db53c3e6]

Also known as: Helmet, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1969

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