Seiko Cal. 6687 - 388

The Seiko 6687-388 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-1047fb200885]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

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