Seiko Cal. 6641 - 374

The 6641-374 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6641 caliber with 23j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-dabe9fe3941e]

Also known as: Bullhead, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1966

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