Seiko Cal. 4430 - 865

This Hand-Winding model from 1975 features a 39mm Titanium case. Powered by the 4430 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-acf504894825]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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