Seiko Cal. 7187 - 365

The Seiko 7187-365 represents an important milestone in Seiko's 1997 lineup. Powered by the 7187 caliber with 31j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-e574df8c2dbc]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1997

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