Seiko Cal. 5657 - 549

This Automatic model from 1978 features a 40mm PVD Black case. Powered by the 5657 caliber with 21j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-481c523f849d]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1978

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