Seiko Cal. 7164 - 655

The Seiko 7164-655 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-36df95b96365]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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