Seiko Cal. 3845 - 283

This Spring Drive model from 1971 features a 38mm PVD Black case. Powered by the 3845 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-b2706c1f5afb]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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