Seiko Cal. 7090 - 258

The 7090-258 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7090 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-d984c6e51109]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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