Seiko Cal. 6641 - 545

The Seiko 6641-545 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-f2406c85f818]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1989

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