Seiko Cal. 5255 - 180

The Seiko 5255-180 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-1c0223603724]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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