Seiko Cal. 4538 - 910

The Seiko 4538-910 represents an important milestone in Seiko's 1969 lineup. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-2772be66dc48]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

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