Seiko Cal. 4544 - 652

Released in 1967, the Cal. 4544 with design code 652 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-3cdc6abdc0f7]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1967

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