Seiko Cal. 7155 - 513

The Seiko 7155-513 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-37a07bf2f91a]

Also known as: Sumo, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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