Seiko Cal. 4539 - 505

This Solar model from 1978 features a 37mm PVD Black case. Powered by the 4539 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-cfbd93595ed2]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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