Seiko Cal. 6651 - 371

The 6651-371 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6651 caliber with 29j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-be450436b644]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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