Seiko Cal. 6621 - 160

This Spring Drive model from 1979 features a 38mm Two-Tone case. Powered by the 6621 caliber with 36j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-f31ef142ad78]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

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