Seiko Cal. 4591 - 401

The Seiko 4591-401 represents an important milestone in Seiko's 1998 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e7c147a12b1b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1998

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