Seiko Cal. 5649 - 102

Released in 1976, the Cal. 5649 with design code 102 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4af0df102b0b]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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