Seiko Cal. 6398 - 637

The Seiko 6398-637 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-846fad7d9307]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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