Seiko Cal. 6366 - 654

The Seiko 6366-654 represents an important milestone in Seiko's 1973 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-a393221b6e25]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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