Seiko Cal. 6143 - 671

This Hand-Winding model from 1976 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-515db10b9d41]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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