Seiko Cal. 5681 - 156

The Seiko 5681-156 represents an important milestone in Seiko's 1993 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-270b2b9a3f1f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1993

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