Seiko Cal. 6138 - 277

The Seiko 6138-277 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-590a49371cd7]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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