Seiko Cal. 4450 - 507

This Quartz model from 1970 features a 39mm Two-Tone case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e6f0d937e369]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

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