Seiko Cal. 4551 - 715

This Hand-Winding model from 1976 features a 46mm Two-Tone case. Powered by the 4551 caliber with 36j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-f960e712a7b6]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1976

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