Seiko Cal. 4576 - 137

The Seiko 4576-137 represents an important milestone in Seiko's 1970 lineup. Powered by the 4576 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-e1de0be4422b]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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