Seiko Cal. 7056 - 136

The Seiko 7056-136 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-19cc743bd5d2]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1988

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