Seiko Cal. 5650 - 316

Released in 1966, the Cal. 5650 with design code 316 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-1b4f37dda4ab]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

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