Seiko Cal. 7130 - 337

This Spring Drive model from 1970 features a 38mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-512969d316ac]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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