Seiko Cal. 4532 - 787

The Seiko 4532-787 represents an important milestone in Seiko's 1971 lineup. Powered by the 4532 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-c5a780eec2a2]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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