Seiko Cal. 5615 - 210

This Spring Drive model from 1974 features a 37mm Titanium case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-0245b95edeb1]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1974

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