Seiko Cal. 4430 - 215

This Automatic model from 1967 features a 42mm Two-Tone case. Powered by the 4430 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-d32adb2a5e5f]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

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