Seiko Cal. 3815 - 605

The Seiko 3815-605 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-349c89b42559]

Also known as: Sumo, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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