Seiko Cal. 6398 - 954

The Seiko 6398-954 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-17587dc02cf2]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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