Seiko Cal. 5633 - 277

This Quartz model from 1981 features a 39mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-8f6decaa1f34]

Also known as: Turtle, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

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