Seiko Cal. 5636 - 834

This Spring Drive model from 1967 features a 42mm Two-Tone case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-0ac3edf85afe]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1967

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