Seiko Cal. 0731 - 447

This Quartz model from 1970 features a 36mm Gold-Plated case. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-6bac5aa1424a]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

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