Seiko Cal. 5216 - 631

This Spring Drive model from 1987 features a 43mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-2b681fb42999]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

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