Seiko Cal. 6138 - 939

The Seiko 6138-939 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-9f5e7d0cda3f]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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