Seiko Cal. 6240 - 341

This Spring Drive model from 1969 features a 45mm Two-Tone case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-271e13766411]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

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