Seiko Cal. 6240 - 502

The 6240-502 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-afb6811e40e0]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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