Seiko Cal. 6138 - 909

The Seiko 6138-909 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-4adedea9d580]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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