Seiko Cal. 5257 - 638

This Solar model from 1975 features a 45mm Titanium case. Powered by the 5257 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-cd9eb914c43b]

Also known as: Turtle, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1975

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