Seiko Cal. 6138 - 327

The Seiko 6138-327 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5be175545add]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1971

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