Seiko Cal. 0723 - 846

This Spring Drive model from 1978 features a 35mm Hardlex-Coated Steel case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-f2f424a0439c]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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