Seiko Cal. 5619 - 637

The Seiko 5619-637 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-ef1a4e935d96]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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