Seiko Cal. 0787 - 277

The 0787-277 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0787 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-fd2dabb22ca2]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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