Seiko Cal. 6654 - 235

The Seiko 6654-235 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6b943d79a238]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1966

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