Seiko Cal. 6121 - 571

This Hand-Winding model from 1969 features a 46mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-c5a22e9221b6]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1969

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