Seiko Cal. 5661 - 200

This Automatic model from 1987 features a 36mm Two-Tone case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-c4a5f02934fa]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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