Seiko Cal. 4416 - 680

This Automatic model from 1966 features a 37mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-c9a51b61883e]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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