Seiko Cal. 6654 - 435

The Seiko 6654-435 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2fc721757b8b]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1986

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