Seiko Cal. 6388 - 365

The 6388-365 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6388 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-880fcb2ebba6]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1989

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