Seiko Cal. 4420 - 443

This Spring Drive model from 1993 features a 38mm Two-Tone case. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-e520292cbe41]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1993

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