Seiko Cal. 5645 - 380

The Seiko 5645-380 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-819b4086a5b7]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1988

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