Seiko Cal. 0721 - 851

This Spring Drive model from 1990 features a 39mm Gold-Plated case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-f7265645f733]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1990

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