Seiko Cal. 7135 - 660

Released in 1985, the Cal. 7135 with design code 660 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-52037ea13870]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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