Seiko Cal. 6375 - 921

The Seiko 6375-921 represents an important milestone in Seiko's 1986 lineup. Powered by the 6375 caliber with 24j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-b68c885f31a5]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1986

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