Seiko Cal. 5234 - 639

This Spring Drive model from 1978 features a 37mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-8b53d0fbc8cb]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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