Seiko Cal. 6656 - 365

The Seiko 6656-365 represents an important milestone in Seiko's 1999 lineup. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-bcc404af1a63]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1999

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