Seiko Cal. 7045 - 830

The 7045-830 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7045 caliber with 27j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-9e2312129ea3]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

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