Seiko Cal. 6682 - 722

The Seiko 6682-722 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-974c5a4ebb5a]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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