Seiko Cal. 4411 - 687

The Seiko 4411-687 represents an important milestone in Seiko's 1988 lineup. Powered by the 4411 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-aa2d27b00a40]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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