Seiko Cal. 4444 - 545

This Spring Drive model from 1968 features a 39mm Two-Tone case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1d33c0a099f0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1968

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