Seiko Cal. 4590 - 607

The Seiko 4590-607 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-df33f05c3b2c]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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