Seiko Cal. 4423 - 137

The Seiko 4423-137 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-44217eeedb2b]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1986

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