Seiko Cal. 5645 - 311

The 5645-311 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-adf80fe955c0]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1986

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