Seiko Cal. 6366 - 556

This Spring Drive model from 1965 features a 35mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ad828ced9069]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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