Seiko Cal. 6240 - 613

The 6240-613 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-407808b38883]

Also known as: Monster, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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