Seiko Cal. 4536 - 821

This Spring Drive model from 1990 features a 43mm Two-Tone case. Powered by the 4536 caliber with 17j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-538ea350f28b]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1990

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