Seiko Cal. 5240 - 252

The Seiko 5240-252 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-072feb8ac4f0]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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