Seiko Cal. 4458 - 857

This Spring Drive model from 1976 features a 44mm PVD Black case. Powered by the 4458 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-676756e4c5a5]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1976

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