Seiko Cal. 4523 - 437

This Hand-Winding model from 1999 features a 40mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-0dffa4992f82]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1999

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