Seiko Cal. 6251 - 720

The Seiko 6251-720 represents an important milestone in Seiko's 1991 lineup. Powered by the 6251 caliber with 28j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-08f8afa3a99f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1991

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