Seiko Cal. 6145 - 420

The Seiko 6145-420 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-c8504ce0b00f]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1981

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