Seiko Cal. 4581 - 323

This Hand-Winding model from 1975 features a 44mm Two-Tone case. Powered by the 4581 caliber with 32j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-bee8b89a495d]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1975

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