Seiko Cal. 5658 - 903

The Seiko 5658-903 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c9c68c1c8270]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1967

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