Seiko Cal. 6639 - 380

This Automatic model from 1975 features a 42mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-3d9de990948c]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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