Seiko Cal. 5617 - 186

The Seiko 5617-186 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-b064b1f3cab3]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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