Seiko Cal. 4584 - 923

This Spring Drive model from 1975 features a 41mm Two-Tone case. Powered by the 4584 caliber with 35j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-7075b63cd9c6]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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