Seiko Cal. 4440 - 397

This Spring Drive model from 1968 features a 41mm PVD Black case. Powered by the 4440 caliber with 19j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-fade4af278c4]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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