Seiko Cal. 6641 - 161

The Seiko 6641-161 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-c936c3563aa6]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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