Seiko Cal. 6172 - 381

The Seiko 6172-381 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d50dc743967c]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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