Seiko Cal. 4537 - 752

The Seiko 4537-752 represents an important milestone in Seiko's 1989 lineup. Powered by the 4537 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-fad952f8e468]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1989

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