Seiko Cal. 6366 - 256

The 6366-256 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-e3b315500a68]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1983

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