Seiko Cal. 4456 - 373

This Solar model from 1981 features a 45mm PVD Black case. Powered by the 4456 caliber with 21j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-ba5a1f86568c]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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