Seiko Cal. 4524 - 751

This Spring Drive model from 1991 features a 46mm Titanium case. Powered by the 4524 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e76ac0dd558a]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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