Seiko Cal. 7143 - 402

The Seiko 7143-402 represents an important milestone in Seiko's 1995 lineup. Powered by the 7143 caliber with 31j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-d2a945da08f1]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1995

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