Seiko Cal. 7027 - 331

The Seiko 7027-331 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-d95ec1e43b94]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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