Seiko Cal. 4537 - 215

The Seiko 4537-215 represents an important milestone in Seiko's 1971 lineup. Powered by the 4537 caliber with 17j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-cb73b6ef8c98]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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