Seiko Cal. 4430 - 257

This Quartz model from 1974 features a 39mm Titanium case. Powered by the 4430 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-0f0ce0cdb538]

Also known as: Turtle, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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