Seiko Cal. 5681 - 933

This Hand-Winding model from 1969 features a 35mm PVD Black case. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-45d44817ccba]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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