Seiko Cal. 5655 - 128

The Seiko 5655-128 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-3f76fbea1b4d]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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