Seiko Cal. 5645 - 780

The Seiko 5645-780 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5d46dacdfe73]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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