Seiko Cal. 5691 - 462

The 5691-462 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-ab5552b4356c]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

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