Seiko Cal. 4448 - 507

The Seiko 4448-507 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-36a2708428d4]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1967

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