Seiko Cal. 7110 - 557

The Seiko 7110-557 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-e34044455b47]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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