Seiko Cal. 6366 - 979

This Spring Drive model from 1987 features a 40mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-e1120fc42497]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1987

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