Seiko Cal. 6121 - 521

This Spring Drive model from 1983 features a 44mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-9e245bba4eb2]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1983

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