Seiko Cal. 5263 - 327

Released in 1966, the Cal. 5263 with design code 327 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-ff445b8fa2fc]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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