Seiko Cal. 5676 - 420

This Hand-Winding model from 1965 features a 40mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-07128ec6fbc4]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1965

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