Seiko Cal. 6374 - 631

The Seiko 6374-631 represents an important milestone in Seiko's 1978 lineup. Powered by the 6374 caliber with 17j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-4250218c6b45]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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