Seiko Cal. 0721 - 242

This Spring Drive model from 1967 features a 39mm Gold-Plated case. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-a4106cbfd25e]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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