Seiko Cal. 6138 - 540

Released in 1966, the Cal. 6138 with design code 540 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-88d3d9e7c7d5]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1966

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