Seiko Cal. 6654 - 437

This Hand-Winding model from 1980 features a 35mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-5ded526795e8]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1980

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