Seiko Cal. 4478 - 511

The Seiko 4478-511 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-4c89f21e598e]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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