Seiko Cal. 0774 - 840

The Seiko 0774-840 represents an important milestone in Seiko's 1988 lineup. Powered by the 0774 caliber with 26j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-bbe3e64cb146]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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