Seiko Cal. 6645 - 341

The Seiko 6645-341 represents an important milestone in Seiko's 1975 lineup. Powered by the 6645 caliber with 26j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-10934c284fba]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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