Seiko Cal. 6121 - 439

This Quartz model from 1978 features a 42mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-1ef3825dd728]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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