Seiko Cal. 4557 - 308

This Solar model from 1978 features a 42mm Titanium case. Powered by the 4557 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-a5ed8331b852]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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