Seiko Cal. 7146 - 306

The Seiko 7146-306 represents an important milestone in Seiko's 1989 lineup. Powered by the 7146 caliber with 23j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-c3c8c77381e1]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1989

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