Seiko Cal. 6237 - 579

This Spring Drive model from 1966 features a 38mm PVD Black case. Powered by the 6237 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-cefcf9a481f3]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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