Seiko Cal. 6155 - 631

The Seiko 6155-631 represents an important milestone in Seiko's 1998 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-fdfe19093dfb]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

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