Seiko Cal. 7091 - 870

The Seiko 7091-870 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-eef9e5a5db37]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1981

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