Seiko Cal. 5646 - 617

Released in 1998, the Cal. 5646 with design code 617 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-801440ba4aef]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1998

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