Seiko Cal. 6388 - 277

The 6388-277 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-c7933029a6f3]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1975

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