Seiko Cal. 5616 - 561

The Seiko 5616-561 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-ea3c50cc84d8]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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