Seiko Cal. 5231 - 177

The Seiko 5231-177 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-9716af034216]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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