Seiko Cal. 4533 - 231

The 4533-231 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4533 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-3bc25425f8f5]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1971

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