Seiko Cal. 3815 - 177

The Seiko 3815-177 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-864af5a5cbc7]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1971

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