Seiko Cal. 6641 - 223

The Seiko 6641-223 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-33455f78b9ee]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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