Seiko Cal. 6138 - 999

The Seiko 6138-999 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-83409e9708cb]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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