Seiko Cal. 5688 - 393

This Spring Drive model from 1988 features a 36mm Two-Tone case. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-3a6ed5e8eabc]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1988

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