Seiko Cal. 6391 - 434

The Seiko 6391-434 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-974e681cfa85]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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