Seiko Cal. 5233 - 770

The 5233-770 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-1ddb0943d823]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

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