Seiko Cal. 4448 - 837

This Spring Drive model from 1969 features a 44mm Stainless Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-59cd50151f61]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1969

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