Seiko Cal. 5636 - 746

This Spring Drive model from 1978 features a 34mm Two-Tone case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-d7bd7279943d]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

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