Seiko Cal. 6689 - 448

This Hand-Winding model from 1983 features a 39mm Stainless Steel case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-21ab5ac799fc]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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