Seiko Cal. 6641 - 453

The 6641-453 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6641 caliber with 35j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-28bef379a605]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

Related Models

• Seiko 6696-904
• Seiko 5237-272
• Seiko 7023-430
• Seiko 5658-227
• Seiko 5214-478
• Seiko 7018-828
• Seiko 5275-401
• Seiko 4487-122
• Seiko 6386-965
• Seiko 0723-444
• Seiko 5672-686
• Seiko 6320-269