Seiko Cal. 7146 - 345

The Seiko 7146-345 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-3b2b3bdfebd8]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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