Seiko Cal. 6366 - 431

The Seiko 6366-431 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-3d00eb6b317b]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1969

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