Seiko Cal. 6240 - 439

This Hand-Winding model from 1978 features a 39mm Titanium case. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-bc8e21efebe2]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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