Seiko Cal. 0790 - 393

Seiko 0790-393

The 0790-393 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0790 caliber with 31j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-221966974f4d]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1986

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seikata-wm-221966974f4d