Seiko Cal. 6398 - 724

Released in 1972, the Cal. 6398 with design code 724 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-28ab7ad0a2e6]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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