Seiko Cal. 5628 - 724

This Spring Drive model from 1966 features a 34mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-89d07841a6c2]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

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