Seiko Cal. 5638 - 382

The Seiko 5638-382 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-e8bfab758952]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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