Seiko Cal. 6316 - 550

This Quartz model from 1966 features a 37mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-ab4972c11aac]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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