Seiko Cal. 4413 - 844

This Spring Drive model from 1973 features a 40mm Two-Tone case. Powered by the 4413 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-565078bca4f0]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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