Seiko Cal. 6611 - 653

This Hand-Winding model from 1968 features a 41mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-a54e040d0a14]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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