Seiko Cal. 5645 - 736

The 5645-736 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-e29dbc09c538]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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