Seiko Cal. 4493 - 237

Seiko 4493-237

The 4493-237 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4493 caliber with 30j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-5a3145112c61]

Also known as: Helmet, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1984

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