Seiko Cal. 5616 - 646

The Seiko 5616-646 represents an important milestone in Seiko's 1991 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-1b7307a1b1a7]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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