Seiko Cal. 4521 - 209

This Solar model from 1966 features a 39mm Titanium case. Powered by the 4521 caliber with 27j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-5f46b33154c3]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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