Seiko Cal. 3840 - 772

The Seiko 3840-772 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d16428022b03]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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