Seiko Cal. 6641 - 155

The Seiko 6641-155 represents an important milestone in Seiko's 1989 lineup. Powered by the 6641 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-b39673c08643]

Also known as: Panda, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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