Seiko Cal. 5243 - 502

This Automatic model from 1975 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-1371aeb133b7]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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