Seiko Cal. 4435 - 648

This Automatic model from 1976 features a 38mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-86352b1784e1]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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