Seiko Cal. 6364 - 757

The Seiko 6364-757 represents an important milestone in Seiko's 1985 lineup. Powered by the 6364 caliber with 17j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-4a5b0b526753]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1985

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