Seiko Cal. 5618 - 705

This Spring Drive model from 1978 features a 36mm Two-Tone case. With its 19mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-edfaf022e40a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

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