Seiko Cal. 3840 - 697

The Seiko 3840-697 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2324c1fd3ca3]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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