Seiko Cal. 6650 - 454

This Hand-Winding model from 1991 features a 43mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-e67be68f79ea]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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