Seiko Cal. 4537 - 944

This Spring Drive model from 1982 features a 36mm PVD Black case. Powered by the 4537 caliber with 23j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-50a717274157]

Also known as: Pogue, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1982

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