Seiko Cal. 6641 - 128

The 6641-128 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6641 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-3c7b4e96f029]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1998

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