Seiko Cal. 5270 - 400

This Spring Drive model from 1975 features a 43mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-affe7d59203b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1975

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