Seiko Cal. 6638 - 803

Seiko 6638-803

This Automatic model from 1993 features a 36mm Titanium case. Powered by the 6638 caliber with 17j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-720ebed66d1b]

Also known as: Monster, Shogun

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1993

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