Seiko Cal. 4431 - 164

Released in 1987, the Cal. 4431 with design code 164 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-8bd55fe8d057]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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