Seiko Cal. 6387 - 561

The 6387-561 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-11ccb02000dd]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1975

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