Seiko Cal. 5633 - 275

This Quartz model from 1970 features a 38mm Two-Tone case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4abdfff61ca3]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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