Seiko Cal. 0763 - 313

The 0763-313 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-e5ed3dbc3956]

Also known as: Crown, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1987

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