Seiko Cal. 5681 - 981

The Seiko 5681-981 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-69d30dcf0a09]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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