Seiko Cal. 6391 - 739

Released in 1991, the Cal. 6391 with design code 739 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-53cfbeeb8a0a]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1991

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