Seiko Cal. 6231 - 771

The Seiko 6231-771 represents an important milestone in Seiko's 1996 lineup. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-e041a062fe47]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1996

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