Seiko Cal. 5645 - 703

Released in 1965, the Cal. 5645 with design code 703 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-127f6f31394d]

Also known as: Tuna, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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